Ensure your engine receives fuel free of water with the OTR OTRFF40107 Fuel-Water Separator, built with Expertise Built In™. To keep the fuel line at its best, this replacement component works to capture contaminants before they enter the fuel line, while also removing excess water. Fashioned with a heavy duty construction to increase service life and reduce the frequency of filter changes. OTR understands what it takes to repair and maintain Class 6-8 trucks, so they deliver solutions, making your job easier and more efficient. OTR warranties are comparable to or better than OE and top brands. All heavy duty truck parts offer the same form, function, and fit as the OE replacement parts. FleetPride is your First Click in Heavy Duty®.